Greenhouse Vent Opener

The Automatic Vent Opener was made to automatically control the temperature and humidity levels and offer additional ventilation when needed, making gardening easier. As the air flow within the greenhouse warms, the vent steadily opens to enable the right amount of ventilation in to the greenhouse and Greenhouse Vent Opener closes when the temperature cools. The vent arm was made with a metal cylinder that contains wax which expands when heated to push a piston, which raises the windows, as the air gets warmer, then contracts since it cools, closing with the use of a spring and resetting the piston. All you need to do is definitely to install it on your own roof vent windowpane and it automatically starts operating. The Automatic Vent Opener functions without the usage of electricity and is compatible with all Palram greenhouse models only. The solar powered Vent Opener will begin to open as temperature ranges within your greenhouse reach 68 degrees F with full-open at 80 degrees. It installs efficiently and will provide care-free ventilation.
Ingenious temperature-delicate device that automatically opens and closes coldframe lids, greenhouse windows and actually skylights. Works during the day and maintain a constant interior climate, something not possible to accomplish by manual adjustments.

Requires simply no batteries or electricity.
It could be adjusted to start opening between 60-77°F. Fully open at 86-90°F. Fully closed at 55°F.
Strongly recommended for all our glazed season extenders since it dramatically improves plant growth.
The hydraulic cylinder comes with a 1 year warranty. The average lifetime of the cylinder is 5-10 years, although some can last up to twenty years.

Screw straight into polycarbonate panels, wood, or metal frames. THE TYPICAL Vent Opener can open a hinged windowpane or vent weighing as much as 32 lb. For larger panes use the stronger Gigavent with all metallic construction, to lift up to 65 lbs.

Note from the manufacturer: Recommended to lubricate the piston rod annual, this can help extend the lifetime of the hydraulic cylinder. Don’t use solid grease, as dust particles “glues” easily onto the piston rod and will damage the rubber. Also don’t forget to unlock the vent in the wintertime if leaving the vent openers installed. A good weak winter sunlight can temperature the hydraulic cylinder sufficiently to create it start pressing the piston rod outwards.
This solar vent control will open and close vents, in your solar gem greenhouse. It features two closing springs for extra power. The solar vent opener may be the only solar-driven control with a quick-release mounting bracket. Simply grasp the “clutch” arm and squeeze for easy detachment. This allows vent to be fully opened for access to the interior.

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